[1]
A. N. Machado, M. do C. Sitta, W. Jacob Filho, and L. E. Garcez-Leme, “ Prognostic factors for mortality among patients above the 6th decade undergoing non-cardiac surgery: cares - clinical assessment and research in elderly surgical patients ”, Clinics, vol. 63, no. 2, pp. 151–156, Jan. 2008, doi: 10.1590/S1807-59322008000200001.